Pith Number

pith:V47N4L2V

pith:2010:V47N4L2VLAQI2FETBBCPEJJW2U

not attested not anchored not stored refs pending

On highly accurate calculations of the excited $n^1S(L = 0)-$states in helium atoms

Alexei M. Frolov, David M. Wardlaw

arxiv:1008.1415 v3 · 2010-08-08 · physics.atom-ph · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V47N4L2VLAQI2FETBBCPEJJW2U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:27:56.723214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af3ede2f5558208d14930844f22536d5305a3a9cbec105b4e1900b982936d4f7

Aliases

arxiv: 1008.1415 · arxiv_version: 1008.1415v3 · doi: 10.48550/arxiv.1008.1415 · pith_short_12: V47N4L2VLAQI · pith_short_16: V47N4L2VLAQI2FET · pith_short_8: V47N4L2V

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/V47N4L2VLAQI2FETBBCPEJJW2U \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: af3ede2f5558208d14930844f22536d5305a3a9cbec105b4e1900b982936d4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "930d20bcdab05c0fbdc5d6a1280346e4a1f9133393eb04b3cff0b119721ea2e0",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2010-08-08T18:05:52Z",
    "title_canon_sha256": "2e335081813264c60f5cb23983c801e1439e54c3f7739a12ef7767971bc4a19e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1415",
    "kind": "arxiv",
    "version": 3
  }
}